Determine if the number is a solution to the equation.3(x - 1) - x = 4x + 3; x = -3
A. Yes
B. No
Answer: A
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If a rock is tossed upward from ground level, its upward velocity V, in feet per second, satisfies the equation of change
.
Here the time t is measured in seconds. Suppose the rock is tossed upward with an initial velocity of 136 feet per second.
?
A: Write a formula that gives the velocity t seconds after the upward toss.B: How many seconds after the toss does the rock reach the peak of its flight? Suggestion: What is the velocity of the rock when it reaches the peak of its flight? Round your answer to two decimal places.C: How many seconds after the rock is tossed upward does it strike the ground? Round your answer to two decimal places.
What will be an ideal response?
Solve. If necessary, round percents to the nearest tenth, dollar amounts to the nearest cent, and all other numbers to the nearest whole.The mosquito population within a defined area is estimated at 25 million. Due to weather conditions, it is projected that this population will increase by 80%. Find the increase and the projected population.
A. increase: 20 million mosquitos projected population: 5 million mosquitos B. increase: 20 million mosquitos projected population: 45 million mosquitos C. increase: 2000 million mosquitos projected population: 2025 million mosquitos D. increase: 2000 million mosquitos projected population: 1975 million mosquitos
Use the table to solve the equation or inequality.
> 4
A. {x
}
B. {x
}
C. {x
}
D. {x
}
Solve the equation by multiplying by a power of 10.-18.4 - b = 27.6
A. {-46} B. {46} C. {9.2} D. {-9.2}